Cheapest return flights from Thessaloniki to Keflavik in September from 244€

AirHint found the following cheapest return flights from Thessaloniki (SKG) to Keflavik (KEF) in September 2025 (see full year).

Return flights

11 Sep - 18 Sep Ryanair
24 Sep - 01 Oct Ryanair
27 Sep - 02 Oct Ryanair
18 Sep - 24 Sep Aegean Airlines
30 Sep - 02 Oct Ryanair
18 Sep - 25 Sep Aegean Airlines
17 Sep - 24 Sep Ryanair
01 Sep - 10 Sep Ryanair
13 Sep - 15 Sep Ryanair
30 Sep - 30 Sep Aegean Airlines
30 Sep - 01 Oct Aegean Airlines
23 Sep - 29 Sep Ryanair
03 Sep - 10 Sep Ryanair
26 Sep - 30 Sep Ryanair

Also check the deals for one-way flights from Thessaloniki to Keflavik in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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